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Jyutping ngaau2 caai4
Pinyin ǎo chái

Definitions (Kaifangcidian)
  1. 腳崴了 – 脚崴了
  2. 腳嚴重扭傷 – 脚严重扭伤
  3. 腳抽筋了 – 脚抽筋了
  4. 扭傷了腳了 – 扭伤了脚了

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Jyutping aau3 caai4
Pinyin ǎo chái

Definitions (Wiktionary)
  1. verb, Cantonese
    to sprain one's ankle

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Jyutping aau2 caai4
Pinyin ǎo chái

Definitions (CC-CANTO)
  1. to twist the ankle
Definitions (粵典–words.hk)
  1. 動詞
    扭傷​踝​關節
    to sprain one's ankle; literally: to twist a firewood
    • 頂! 今日第三次拗柴啦!
      顶! 今日第三次拗柴啦!
      ding2! gam1 jat6 dai6 saam1 ci3 aau2 caai4 laa3!
      Crap! I've sprained my ankle for the third time today now!
Examples (粵典–words.hk)
  1. Cantonese
    顶! 今日第三次拗柴啦!
    頂! 今日第三次拗柴啦!
    ding2! gam1 jat6 dai6 saam1 ci3 aau2 caai4 laa3!
    • Crap! I've sprained my ankle for the third time today now!